A Conceptional Design on Optical Frequency-Division-Multiplexing Distribution Systems with Optical Tunable Filters. - Hiromu Toba; Kyo Inoue; Kiyoshi Nosu (IEEE J. Sel. Areas Commun., 1986)

A 16-Channel Frequency Selection Switch for Optical FDM Distribution Systems. - Kazuhiro Oda; Norio Takato; Toshimi Kominato; Hiromu Toba (IEEE J. Sel. Areas Commun., 1990)

Silica-Based Integrated Optic Mach-Zehnder Multi/Demultiplexer Family with Channel Spacing of 0.01-250 nm. - Norio Takato; Toshimi Kominato; Akio Sugita; Kaname Jinguji; Hiromu Toba; Masao Kawachi (IEEE J. Sel. Areas Commun., 1990)

Factors Affecting the Design of Optical FDM Information Distribution Systems. - Hiromu Toba; Kazuhiro Oda; Kiyoshi Nosu; Norio Takato (IEEE J. Sel. Areas Commun., 1990)

An Optical FDM-Based Self-Healing Ring Network Employing Arrayed Waveguide Grating Filters and EDFA's with Level Equalizers. - Hiromu Toba; Kazuhiro Oda; Kyo Inoue; Kiyoshi Nosu; Tsutomu Kitoh (IEEE J. Sel. Areas Commun., 1996)